Deep Red

HEX: #850101 | Modern Palette

On White
10.49:1
PASS
On Black
2.00:1
FAIL

Color Specifications

HEX
#850101
RGB
133, 1, 1
HSL
0°, 99% ,52%
CMYK
0, 99.25, 99.25, 47.84

About Deep Red

Deep Red (#850101) is a color with RGB(133, 1, 1) and HSL(0°, 99.25%, 52.16%). It is commonly associated with Energetic, Bold moods. In design, it fits Vivid, Warm styles and is suitable for Text, Button, Accent. Its complementary color is #018585, which creates strong contrast. Its triadic palette includes #018501 and #010185. The name comes from Deep Red (English).

  • HEX: #850101
  • RGB: 133, 1, 1
  • HSL: 0°, 99.25%, 52.16%
  • Mood: Energetic, Bold
  • Style: Vivid, Warm
  • Use case: Text, Button, Accent
  • Complementary color: #018585
  • Triadic colors: #018501, #010185
  • The name comes from Deep Red (English).

Live Components

LIGHT
DARK
System Notification Box

Color Palettes

Monochromatic Five tones of the same hue — a reliable scale for backgrounds, surfaces, and text.
Neutral + Accent Four near-neutral tones grounded by a saturated accent — clean and versatile for UI.
Analogous Five hues drifting across a 60° arc — naturally harmonious and pleasing to the eye.
3 + 1 + 1 Three analogous base colors, one complementary accent, one dark anchor — bold yet balanced.

Color Harmonies

Complementary

The color directly opposite on the color wheel — creates maximum contrast and vibrance.

Analogous

Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.

Triadic

Three colors equally spaced 120° apart — bold, balanced, and visually rich.

Split-Complementary

Two colors flanking the complement — high contrast with less tension than full complementary.

Tetradic (Square)

Four colors at 90° intervals — rich variety, best when one color dominates.

Monochromatic

Shades and tints of the same hue — cohesive, elegant, and easy to work with.

Shades & Tints

A seamless scale of #850101 from deepest shade to lightest tint.

Color Characteristics

Style
Vivid Warm
Use case
Text Button Accent

Accessibility Simulation

Deuteranopia #4A4A00
Protanopia #2D2D04
Tritanopia #850101
Achromatopsia #3F3F3F

Frequently Asked Questions

Deep Red (#850101) is a color with RGB(133, 1, 1) and HSL(0°, 99.25%, 52.16%).

#850101 pairs strongly with #018585 as its complementary color. It can also be used with neutral tones for balanced UI and design layouts.

#850101 is suitable for Text, Button, Accent and works well with Vivid, Warm styles.

#850101 is commonly associated with Energetic, Bold.

The name Deep Red is linked to Deep Red from English, meaning A dark, intense shade of red, often associated with blood, passion, or danger..

Name, History & Etymology

Origin Word Deep Red
Meaning A dark, intense shade of red, often associated with blood, passion, or danger.
Language English
First Recorded Use Late Middle English / Early Modern English (as a descriptive color term)

History

The color red itself has a long and significant history across human cultures, being one of the first colors named and used. 'Deep red' specifically refers to a darker, more saturated variant. Historically, achieving deep red dyes was often challenging and expensive, making it a color associated with royalty, power, and wealth (e.g., Tyrian purple, cochineal red). In art and literature, 'deep red' has been used to evoke strong emotions, from love and desire to anger, violence, and the macabre. Its association with blood is primal and universal.

First Recorded Use

While 'red' is ancient, the specific compound 'deep red' as a common descriptive term likely emerged as color vocabulary became more nuanced. It's difficult to pinpoint an exact 'first use' date for such a descriptive phrase, but similar compound color terms became more common from the 15th-17th centuries onwards.

Cultural Associations

In many Western cultures, deep red is strongly linked to passion, love (especially romantic love), and desire. It is also frequently associated with danger, warning signs, and aggression. In some Asian cultures, red (including deep red) symbolizes good fortune, happiness, and prosperity, often used in celebrations like weddings and New Year. In Christianity, deep red can symbolize the blood of Christ, martyrdom, and sacrifice. In fashion, deep red is often seen as a bold, sophisticated, and powerful color. The specific hex code #850101 is a very dark, slightly desaturated red, leaning towards a maroon or oxblood shade, which often carries connotations of richness, vintage aesthetics, or a more subdued intensity compared to a bright, pure red.

Similar Named Colors

Deep Maroon #820000 ΔE 0.61
Maroon #800000 ΔE 1.01
Dark Red #8B0000 ΔE 1.25
Barn Red #7C0A02 ΔE 1.75

Code Snippets

/* Background */
.element {
    background-color: #850101;
}

/* Text */
.element {
    color: #850101;
}

/* Border */
.element {
    border: 1px solid #850101;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #850101,
        #0CFEFE
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #850101,
        #0CFEFE
    );
}

// SCSS variable
$deep-red: #850101;

// With RGB channels (useful for rgba() usage)
$deep-red-r: 133;
$deep-red-g: 1;
$deep-red-b: 1;

// Usage
.element {
    background-color: $deep-red;
    color: rgba($deep-red-r, $deep-red-g, $deep-red-b, 0.8);
}